82690258 has 16 divisors (see below), whose sum is σ = 144080064. Its totient is φ = 34857360.

The previous prime is 82690253. The next prime is 82690291. The reversal of 82690258 is 85209628.

It is a self number, because there is not a number n which added to its sum of digits gives 82690258.

It is not an unprimeable number, because it can be changed into a prime (82690253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47560 + ... + 49267.

It is an arithmetic number, because the mean of its divisors is an integer number (9005004).

Almost surely, 2^82690258 is an apocalyptic number.

82690258 is a deficient number, since it is larger than the sum of its proper divisors (61389806).

82690258 is a wasteful number, since it uses less digits than its factorization.

82690258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96897.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 82690258 is about 9093.4183891428. The cubic root of 82690258 is about 435.6637736916.

The spelling of 82690258 in words is "eighty-two million, six hundred ninety thousand, two hundred fifty-eight".